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Finding the Fourth Proportional to 364,905.60, 547,358.40 and 264,595.20

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Solution

The fourth proportional to 364,905.60, 547,358.40 and 264,595.20 is: 396,892.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,905.60 : 547,358.40 = 264,595.20 : x
  2. Step 2: Convert to fraction form
    364,905.60/547,358.40 = 264,595.20/x
  3. Step 3: Cross multiply
    364,905.60x = 547,358.40 × 264,595.20
  4. Step 4: Simplify right side
    364,905.60x = 144,828,405,319.68
  5. Step 5: Solve for x
    x = 144,828,405,319.68/364,905.60
  6. Step 6: Final answer
    x = 396,892.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.